ZTE Z855 Avid 4 LTE US vs. BBK vivo Y21T 2021 4G Standard Edition Dual SIM TD-LTE V1 ID PK 128GB V2135 (BBK V2135) Frequency Band Comparison
Comparison Criteria
Frequency Band Comparison
Select a band for more details
| Frequency Band |
ZTE Z855 Avid 4 LTE US View device details |
BBK vivo Y21T 2021 4G Standard Edition Dual SIM TD-LTE V1 ID PK 128GB V2135 (BBK V2135) View device details |
|---|---|---|
| GSM 850 MHz | Yes | Yes |
| GSM 900 MHz (E-GSM) | No | Yes |
| GSM 1800 MHz (DCS) | No | Yes |
| GSM 1900 MHz (PCS) | Yes | No |
| UMTS B1 (2100 MHz) | No | Yes |
| UMTS B2 (1900 MHz PCS) | Yes | No |
| UMTS B4 (1700/2100 MHz AWS 1) | Yes | No |
| UMTS B5 (850 MHz) | Yes | Yes |
| UMTS B8 (900 MHz GSM) | No | Yes |
| LTE B1 (2100 MHz) | No | Yes |
| LTE B2 (1900 MHz PCS) | Yes | No |
| LTE B3 (1800 MHz +) | No | Yes |
| LTE B4 (1700/2100 MHz AWS 1) | Yes | No |
| LTE B5 (850 MHz) | Yes | Yes |
| LTE B8 (900 MHz) | No | Yes |
| LTE B12 (700 MHz ac) | Yes | No |
| LTE B40 (TD 2300 MHz) | No | Yes |
| LTE B66 (1700/2100 MHz) | Yes | No |
